Type 31180

> Safety valves made from Brass
> Atmospheric discharge with threaded connections

Product Description

3.2mm Bore Atmospheric Discharge Safety Relief Valve for Compressed Air & Gases


Example Applications:
  • Compressors
  • Pressure vessels
  • Pneumatic systems
  • High pressure systems



View or Download Datasheet

Type 31180 (3.2mm Bore Atmospheric Discharge Safety Relief Valve for Compressed Air & Gases)

Technical Information for Type 31180

  • Min. Pressure
    20.60 bar (298.70 psi) *
  • Max. Pressure
    134.50 bar (1950.25 psi) *
  • Temperature Range
    -40 °C to 200 °C (subject to seal material)
  • Flow Area
    8.04 mm² (3.2 mm inlet bore diameter)
  • Inlet Connection(s)
    1/4" BSP, BSPT or NPT *
  • Flow Rate
    19.70 to 124.40 std. litres/sec.
  • Materials
  • Seal Materials
    Viton® / Nitrile
  • Test Certification
    Included - supplied Free of charge
* Dependent on bore size.
See datasheet for full details



Relieving pressure is set pressure +10%
Reseating pressure is set pressure -15%


Flows Rates:

Flow calculated based upon: Air @ 15°C and 1013 mbar and are for guidance only, contact Seetru for help in sizing to your specifications.


  • Designed in accordance with BS EN ISO-4126-1 & -7
  • PED 2014/68/EU (CE)
  • PE(S)R UK SI 2016 No. 1105 (UKCA)
  • EAC


Regulatory Compliance

Compliant with relevant industry standards and regulations, these valves ensure your equipment adheres to safety protocols and legal requirements.


View or Download the Type 31180 Datasheet

View or Download the Type 31180 Datasheet

Full Technical Information - Including Flow Rates

Seetru offers a wide range of downloadable datasheets for our products, including safety relief valves, liquid-level gauges, and sight glasses.  These datasheets provide detailed information on the technical specifications, features, and applications of Seetru products.  They are an essential resource for engineers, designers, and other professionals who need to select the right Seetru products for their specific needs.


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